21336854

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19793}}^1$

素因数の和:19820

約数の個数: 24

約数和(自身を含む): 40617288

約数和(自身を除く): 19280434

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 19793, 39586, 138551, 217723, 277102, 435446, 969857, 1524061, 1939714, 3048122, 10668427, 21336854]

約数ペア:

[(1, 21336854), (2, 10668427), (7, 3048122), (11, 1939714), (14, 1524061), (22, 969857), (49, 435446), (77, 277102), (98, 217723), (154, 138551), (539, 39586), (1078, 19793)]